Seiko Cal. 6667 - 738

This Automatic model from 1977 features a 42mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-c292680ec124]

Also known as: UFO, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1977

Related Models

• Seiko 7158-264
• Seiko 3887-568
• Seiko 5245-453
• Seiko 5274-790
• Seiko 4547-590
• Seiko 7182-391
• Seiko 6232-927
• Seiko 6325-636
• Seiko 0798-687
• Seiko 0755-339
• Seiko 3862-958
• Seiko 3836-489